Finding the Fourth Proportional to 135,698.76, 203,548.68 and 56,757.62
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Solution
The fourth proportional to 135,698.76, 203,548.68 and 56,757.62 is: 85,136.66
Step by Step Solution
- Step 1: Write the proportion equation
135,698.76 : 203,548.68 = 56,757.62 : x - Step 2: Convert to fraction form
135,698.76/203,548.68 = 56,757.62/x - Step 3: Cross multiply
135,698.76x = 203,548.68 × 56,757.62 - Step 4: Simplify right side
135,698.76x = 11,552,938,630.94 - Step 5: Solve for x
x = 11,552,938,630.94/135,698.76 - Step 6: Final answer
x = 85,136.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.